Tex.
Transp. Code Section 547.502
Visible Warning Devices Required
(a)
Except as provided by Subsection (b), a person who operates, outside an urban district or on a divided highway, a truck, bus, or truck-tractor or a motor vehicle towing a house trailer shall carry in the vehicle:(1)
at daytime:(A)
at least two red flags at least 12 inches square; and(B)
standards to support the flags; and(2)
at nighttime:(A)
at least three flares and at least three red-burning fusees;(B)
at least three red electric lanterns; or(C)
at least three portable red emergency reflectors.(b)
A person who operates an explosive cargo vehicle at nighttime:(1)
shall carry in the vehicle three red electric lanterns or three portable red emergency reflectors; and(2)
may not carry in the vehicle a flare, fusee, or signal produced by flame.(c)
A flare, electric lantern, or portable reflector must be visible and distinguishable at a distance of at least 600 feet at night under normal atmospheric conditions.(d)
A portable reflector unit must be designed and constructed to reflect a red light clearly visible at all distances from 100 to 600 feet under normal atmospheric conditions at night when directly in front of lawful lower beams of headlamps.(e)
A flare, fusee, electric lantern, portable reflector, or warning flag must be a type approved by the department.
Source:
Section 547.502 — Visible Warning Devices Required, https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm#547.502 (accessed May 26, 2025).
